You can get acquainted with the pro version via the 30 days trial mode. The pro version with unlimited number of sessions costs $4.99 and you can export data in CSV. The free version of Focus Booster has 20 sessions with reports (session length is from 15 to 90 minutes). Reports are also available in Focus Booster. After a session is finished, its timesheet can be exported in any convenient format.

Visualization: timesheets are created automatically after each task is completed.

If a task can't be completed in 25 minutes, you can return to it later by putting its timer on pause.

Capability to save an unfinished session.

Which has no excessive and distracting elements and only a mini-timer and the name of the current task are displayed.

Nice theme: you can choose a dark or light interface.

Let's talk about the main features of this time tracker:

In addition to having a timer, in its reports Focus Booster records the time spent on completing a task.

This app uses the pomodoro technique in order to focus on a specific task.

Focus keeper for mac